[INFO] updating cached repository jonas-schievink/chip-8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonas-schievink/chip-8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonas-schievink/chip-8" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jonas-schievink/chip-8"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jonas-schievink/chip-8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonas-schievink/chip-8" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jonas-schievink/chip-8"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jonas-schievink/chip-8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71410220ef5cce507677bce8f3c1cc2f2bba0b9c
[INFO] sha for GitHub repo jonas-schievink/chip-8: 71410220ef5cce507677bce8f3c1cc2f2bba0b9c
[INFO] validating manifest of jonas-schievink/chip-8 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jonas-schievink/chip-8 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jonas-schievink/chip-8
[INFO] finished frobbing jonas-schievink/chip-8
[INFO] frobbed toml for jonas-schievink/chip-8 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jonas-schievink/chip-8/Cargo.toml
[INFO] started frobbing jonas-schievink/chip-8
[INFO] finished frobbing jonas-schievink/chip-8
[INFO] frobbed toml for jonas-schievink/chip-8 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jonas-schievink/chip-8/Cargo.toml
[INFO] crate jonas-schievink/chip-8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jonas-schievink/chip-8 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jonas-schievink/chip-8:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ddd34519784f3990d93adc5af5f27bd255dda237086ddbcdfcf974fb73dd4e34
[INFO] running `"docker" "start" "-a" "ddd34519784f3990d93adc5af5f27bd255dda237086ddbcdfcf974fb73dd4e34"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking winapi v0.2.7
[INFO] [stderr]     Checking libc v0.2.12
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]     Checking regex-syntax v0.3.3
[INFO] [stderr]     Checking ansi_term v0.7.2
[INFO] [stderr]     Checking enum-set v0.0.6
[INFO] [stderr]     Checking fnv v1.0.2
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking clap v2.6.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling minifb v0.7.1
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking x11-dl v2.2.1
[INFO] [stderr]     Checking regex v0.1.71
[INFO] [stderr]     Checking env_logger v0.3.3
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ext.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut pixref = &mut state.fb[y_total * 64 + x_total];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ext.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut pixref = &mut state.fb[y_total * 64 + x_total];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `"docker" "inspect" "ddd34519784f3990d93adc5af5f27bd255dda237086ddbcdfcf974fb73dd4e34"`
[INFO] running `"docker" "rm" "-f" "ddd34519784f3990d93adc5af5f27bd255dda237086ddbcdfcf974fb73dd4e34"`
[INFO] [stdout] ddd34519784f3990d93adc5af5f27bd255dda237086ddbcdfcf974fb73dd4e34